VALVE FOR INTERRUPTING A FLOW PATH IN A SUBSTANTIALLY GAS-TIGHT MANNER
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United States of America Patent
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N/A
Issued Date -
Aug 16, 2012
app pub date -
Jul 21, 2010
filing date -
Aug 19, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a valve for interrupting a flow path in a gas-tight manner. The valve has a valve housing, a valve plate, and a drive by means of which the valve plate can be shifted between an open position and a closed position. According to the invention, the valve has a seal support which, in a coupling position, can be coupled to and decoupled from a first seat of the valve plate on the latter and, in a parked position, can be coupled to and uncoupled from a second seat of a parking section in said section of the valve housing. A first seal is arranged on the seal support such that the first seal contacts a valve seat in a gas-tight manner in the coupling position and in the closed position, a gas-tight connection being formed between the first seal and a closing surface that lies on the valve plate. The seal support can be detachably coupled to the first seat of the valve plate in the coupling position by means of first coupling means. The seal support can be detachably coupled to the second seat of the parking section in the parked position by means of second coupling means.
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